Ontologia

Commune · DZA

Oued Athmenia

Algeria

CsaTemperate, dry summer, hot summer(81 %)

Species observed

147

Observations

571

Area

273,8km²

Ecological tissue

Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Oued Athmenia : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
71
Connectance
0.101
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

147 distinct species · 571 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

571 obs · 6 cellules
Obs. / cellule
≥ 394
394–393
90–393
44–89
< 44

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

15,5°C

Annual rain

509mm

Warmest m°

33,2°C

Coldest m°

1,2°C

Elevation: 828 m on average (min 658 m, max 1 111 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
509mm
Warmest month
33,2°C
Coldest month
1,2°C
Mean alt.
828m
Min
658m
Max
1 111m
Std. dev.
110m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(81 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,0

Org. C

22,3g/kg

Clay

31,6%

Sand

33,2%

Silt

35,1%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
35,4g/kg
Clay
31,1%
Sand
33,6%
Silt
35,3%
5–15 cm
pH H₂O
7,0
Org. C
17,7g/kg
Clay
31,9%
Sand
32,9%
Silt
35,3%
15–30 cm
pH H₂O
7,0
Org. C
13,6g/kg
Clay
31,9%
Sand
33,2%
Silt
34,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest3.2%
Crops51.9%
Built-up0.8%
Bare soil7.0%
Other (grassland, water…)37.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 1 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

69,8km

Lake surface here

2,20km²

Basins crossed

4

Max stream order

4

Max drainage

5 309km²

Discharge in basins

1,7m³/s

Mean precip.

572mm/an

Mean T°

13,9°C

Moisture idx

-0,51

Max snow

1%

Mean runoff

122mm/an

Mean elev. (basins)

861m

Watersheds crossing here

Lakes (1, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,7nW

Built-up

75,0%

Pesticides

17,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)